"Kuroi Hitsuji" (Japanese: 黒い羊, Hepburn: Kuroi Hitsuji, literally "Black sheep") is the 8th single from Japanese idol group Keyakizaka46.

It was released on February 27, 2019, through Sony Music Entertainment Japan.

The title track features Yurina Hirate as center.

[2] The song was first broadcast on January 21 on Tokyo FM's program "SCHOOL OF LOCK!"

and the music video was first released on Keyakizaka46's website on February 1, 2019.